Find the number of ways in which the letters from the word TULAR can be arranged if each arrangement begins and ends with a vowel

(a)  

Find the numbers of ways for 4-digit numbers greater than 2000to be formed by using the digits 0, 2, 4, 5, 6, and 7 without repetition

(a)  

Find all the possible arrangements of using all the letters in the word TRIGONOMETRI if G is the first letter and E is last letter

(a)  

A family consisting of a father, a mother and four children are seated at a round table. Find the number of different ways they can be seated if there are no conditions.

(a)  

A family consisting of a father, a mother and 4 four children are seated at a round table. Find the number of different ways they can be seated if the faher and the mother are seated together.

(a)